Patent classifications
D
TEXTILES; PAPER
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D01
NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
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D01G
PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
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23/00
Feeding fibres to machines; Conveying fibres between machines
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D01G23/02
Hoppers; Delivery shoots
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D01G23/04
with means for controlling the feed
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